1.Which of the following best describes a declarative sentence? 
A. It gives a command.
B. It expresses surprise.
C. It states an idea or a fact.
D. It ends with a question mark
2.Which of the following is a YES-NO question?
A.Do you own a pet?
B. Why is the sky high?
C. Who are you friends?
D. What is your ambition in life
3.Fill in the blank: ________ many books do you have?
A. What
B. Who
C. Why
D. How​